SOLUTION: A plane flies in a straight line at 400 miles per hour for 1 hour and 12 minutes. It makes a 15 degree turn and flies at 375 miles per hour for 2 hours and 27 minutes. How far is i

Question 726618: A plane flies in a straight line at 400 miles per hour for 1 hour and 12 minutes. It makes a 15 degree turn and flies at 375 miles per hour for 2 hours and 27 minutes. How far is it from its starting point?
Found 2 solutions by stanbon, tanjo3:
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
A plane flies in a straight line at 400 miles per hour for 1 hour and 12 minutes. It makes a 15 degree turn and flies at 375 miles per hour for 2 hours and 27 minutes. How far is it from its starting point?
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Draw the picture.
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Determine the lenght of each leg using rate*time
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Use the Law of Cosines to find the final answer.
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Cheers,
Stan H.
Answer by tanjo3(60) (Show Source): You can put this solution on YOUR website!
Hours traveled (A):

Distance traveled (A):

Hours traveled (B):

Distance traveled (B):

Distance from start:
Let be the distance from the start, in miles.

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